STONY BROOK, N.Y. – Robert N. Dunn, M.D., 63, of Princeton, N.J. and Rangeley, died Sunday, May 21, at University Hospital at Stony Brook.

He was born in Orange, N.J. He was a graduate of the Choate School in Wallingford, Conn., Harvard University in Cambridge, Mass. and the College of Physicians and Surgeons, Columbia University, N.Y., where he received his M.D.

He started his internship at Mixed Surgical, the Roosevelt Hospital, New York City. He was resident of general surgery, the Roosevelt Hospital, New York. He was an assistant resident, resident and junior Annie C. Kane Fellow and was chief resident and senior Annie C. Kane Fellow, Orthopaedic Surgery, the New York Orthopaedic Hospital, Columbia Presbyterian Medical Center, New York.

He was a visiting clinical fellow, instructor, associate and assistant clinical professor of orthopaedic surgery, College of Physicians and Surgeons, Columbia University.

He was appointed attending orthopaedic surgeon and was later named chairman of orthopaedic surgery at the Medical Center at Princeton from 1991 to 2002.

He was licensed as a physician in New York, Florida, New Jersey, South Carolina and Maine. Dr. Dunn is certified with the American Board of Orthopaedic Surgery and was the author of Wineski, R.J. and Dunn, R.N. “The Role of Fusion in Lumbar Disc Disease,” seminars in spine surgery.

He was a member of the following societies: a diplomat, National Board of Medical Examiners, New Jersey Medical Society, Mercer County Medical Society, New Jersey Orthopaedic Society, a Fellow, American College of Surgeons, American Academy of Orthopaedic Surgery, a member of Aerospace Medical Society, a member of the Executive Committee of the Board of Trustees, Peer Review Organization of New Jersey, chairman of the Norms, Standards and Criteria Committee of the Peer Review Organization of New Jersey, member, Board of Trustees of Area VII PSRO and member, Board of Trustees of Sports Medicine Society of New Jersey.

He was a senior aviation medical examiner and aircraft accident examiner for the FAA. Dr. Dunn was the holder of airline transport pilot certificate airplane, multi and single engine land with commercial privileges, single engine sea. He also was a certified flight and instrument instructor single and multi engine.

He was also a pilot who held air transport and licenses in both multi and single engine plane. He had over 5,000 hours operating from single engine sea planes to Twin Turbo Prop King Air. He passed on his love to his son who is also a pilot.

Son of the late George W. and Anne Dunn, he is survived by his wife, Anna-Lena J. Dunn; one son and daughter-in-law, George M. and Colleen E. Dunn of Boston, Mass.; one sister and brother-in-law, Barbara and Jim Parker of Richmond, Va.; a niece, Becky; and two nephews, David and Jay.